Re: Sun Donated a Sun Fire T2000 to the PostgreSQL

Robert Lor <Robert.Lor@Sun.COM> writes:
> Here is the break down between exclusive & shared LWLocks. Do the
> numbers look reasonable to you?

Yeah, those seem plausible, although the hold time for
CheckpointStartLock seems awfully high --- about 20 msec
per transaction.  Are you using a nonzero commit_delay?

            regards, tom lane